The aurora and solar activity archive
Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.
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Sunday Sun. |
1Kp3 | 2Kp2 | 3Kp1+ | 4Kp2+ | 5Kp2- | 6B4.3 Kp1 | 7B1.19 Kp2- |
8Kp4- | 9Kp5 | 10Kp5- | 11Kp3 | 12Kp2 | 13Kp2+ | 14Kp2+ |
15A1.57 Kp3- | 16Kp2- | 17Kp2+ | 18Kp1+ | 19A1.57 Kp1 | 20Kp1- | 21Kp4- |
22Kp2+ | 23Kp2 | 24Kp1+ | 25Kp1 | 26Kp0+ | 27Kp2+ | 28Kp2- |
29Kp2- | 30Kp3+ | 31Kp3- | ||||
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4416 1AR4409 190Current Farside Activity 443Late 2026/04/01 Filament CME 88GoPro tips -which model, what settings etc 10
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 114.3 +28.4 |
| Last 30 days | 102.4 +48.5 |
